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  1. Astronomy

    A dwarf galaxy just might upend the Milky Way’s predicted demise

    The Milky Way may merge with the Large Magellanic Cloud in 2 billion years, not Andromeda, contrary to previous findings.

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  2. Chemistry

    Lotions and perfumes affect the air near our skin

    The personal care products suppress reactions between skin oils and ozone. It's not clear how, or if, this chemistry change might impact human health.

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  3. Animals

    How luna moths grow extravagant wings

    Warm temperatures, not just predator pressure, may favor luna moths’ long bat-fooling streamers, a geographic analysis of iNaturalist pics shows.

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  4. Planetary Science

    Venus’ tectonics may be actively reshaping its surface

    Circular landforms speckling the Venusian surface may be the work of tectonic activity.